Optimization of the extraction of phenolic compounds from purple corn cob (Zea mays L.) by sequential extraction using supercritical carbon dioxide, ethanol and water as solvents

Monroy, Yaneth M.; Rodrigues, Rodney Alexandre Ferreira; Sartoratto, Adilson; Cabral, Fernando A.

doi:10.1016/j.supflu.2016.04.011

Cited by 31 publications

(19 citation statements)

References 52 publications

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“…Da Porto et al [ 108 ] indicated that the best results were obtained when the extraction was performed in sequential steps. Such studies were also performed by other groups of researchers [ 18 , 52 , 102 , 103 , 133 , 141 , 142 , 143 ]. The studies were aimed at the extraction of particular materials first with pure carbon dioxide, then the residue extraction with the mixture of ethanol and water and finally the residue extraction from step 2 with water.…”

Section: Separation Of Phenolic Compounds With Supercritical Co mentioning

confidence: 94%

“…In the first study, the process was applied with two-step extraction (CO 2 , CO 2 + EtOH + H 2 O), whereas in the second one pure CO 2 was followed by CO 2 + EtOH and CO 2 + H 2 O as two separate steps. Monroy et al [ 141 , 142 ] applied in their studies on purple corn ( Zea mays ) three-step extraction (CO 2 , CO 2 + EtOH, CO 2 + H 2 O). Among studied temperatures (36–64 °C) and pressures (259–541 bar), the optimal conditions were 65 °C and 440 bar based on the response surface methodology.…”

Section: Separation Of Phenolic Compounds With Supercritical Co mentioning

confidence: 99%

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The Application of Supercritical Fluid Extraction in Phenolic Compounds Isolation from Natural Plant Materials

2018

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The separation of phenolic compounds by supercritical fluid extraction has been widely studied throughout the last two decades. This is evidenced by a number of publications and articles. Supercritical fluid extraction (SFE) has become thus the effective method of separating the mentioned group of compounds. On the other hand, SFE is a beneficial approach in plant waste materials utilization and reduction of environmental burdens caused by the wastes. The aim of the study is to gather and systematize available information on the phenolic compounds separation that have been reported so far as well as to evaluate whether there is one optimal supercritical fluid extraction method for the phenolic compounds.

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Section: Separation Of Phenolic Compounds With Supercritical Co mentioning

confidence: 94%

Section: Separation Of Phenolic Compounds With Supercritical Co mentioning

confidence: 99%

The Application of Supercritical Fluid Extraction in Phenolic Compounds Isolation from Natural Plant Materials

2018

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“…Monroy, Rodrigues, Sartoratto, and Cabral (2016) used supercritical fluid to extract bioactive compounds from Peruvian purple corn cob. The extraction solvents used were water and ethanol due to their polarity, with carbon dioxide.…”

Section: Emerging Technologies For the Extraction Of Bioactive Compoumentioning

confidence: 99%

Extraction of bioactive compounds from purple corn using emerging technologies: A review

Cristianini

Sánchez

2020

Journal of Food Science

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The increase in the use of bioactive compounds from purple corn in the food and pharmaceutical industries has led to the investigation of nonconventional extraction technologies that allow one to obtain more of these compounds. In this context, nonconventional techniques, known as emerging technologies, use more efficient processes that are safe for the environment, in addition to obtaining products with better functional characteristics as compared to those obtained by conventional technologies. This review aims to provide information on different nonconventional techniques used in the extraction of bioactive compounds from purple corn.

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“…Generally ethanol and water are mostly used in the extraction of bioactive compounds as they have been classified as GRAS (Generally Recognized as Safe) solvents [28]. The results showed that the extraction using water as solvent yielded about 29% higher GA content (0.126 mg GA/g DW) than that of 10% ethanol (0.098 mg GA/g DW) for particle size ranged from >250 -500 μm.…”

Section: Effect Of Type Of Solvent On Gallic Acid Recoverymentioning

confidence: 99%

The effect of particle size and solvent type on the gallic acid yield obtained from Labisia pumila by ultrasonic extraction

et al. 2017

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Abstract. This paper presents the effect of particle size and solvent type on the gallic acid (GA) extraction yield obtained from Labisia pumila. The GA extraction from a grinded dried plant material (66.66 μm to 1055.18 μm) was performed using the sonicator probe. The GA quantification and identification was performed using a liquid chromatography with photodiode array detector. Exact match between the spectra obtained from the plant extract and external standard was found indicating a presence of GA. In addition, matching of residence time between the standard and plant extract are also observed. It was found that particle size significantly affects the yield of GA and the highest yield (0.150 mg GA/g DW) was obtained using the particle size around 125 μm. Solvent type does also plays an important role in GA extraction. The result shows that extraction using water as solvent yielded about 29% higher GA content (0.126 mg GA/g DW) than that of 10% ethanol (0.098 mg GA/g DW). The findings in this work may serve as a useful guide to select the particle size and solvent used to maximise GA extraction from L. pumila.

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Optimization of the extraction of phenolic compounds from purple corn cob (Zea mays L.) by sequential extraction using supercritical carbon dioxide, ethanol and water as solvents

Cited by 31 publications

References 52 publications

The Application of Supercritical Fluid Extraction in Phenolic Compounds Isolation from Natural Plant Materials

The Application of Supercritical Fluid Extraction in Phenolic Compounds Isolation from Natural Plant Materials

Extraction of bioactive compounds from purple corn using emerging technologies: A review

The effect of particle size and solvent type on the gallic acid yield obtained from Labisia pumila by ultrasonic extraction

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